Where does “debility” come from?

Debility comes from Middle English debylite, from Old French debilité, from Latin debilitas, meaning weakness, derived from the adjective debilis, meaning weak or infirm.

debility (English): A state of physical or mental weakness

Definitions

  1. A state of physical or mental weakness

Ancestry of “debility”, step by step

StepLanguageWordMeaning
1Middle Englishdebylite—
2Old Frenchdebilité—
3Latindēbilitāsweakness
4Latindēbilisweak, frail, feeble
5Latindēbeōto owe something, to be under obligation to and for something
6Latindē-of; from
7Latindēof; concerning; about
8Latinpostbehind; after, since, besides, except; behind,...
9Latinposteablative singular of postis
10Proto-Italicpostibehind, after
11Proto-Indo-Europeanpóstiafter
12Proto-Indo-Europeanpósafterwards, post; by, at
Every word from Proto-Indo-European pós →Every word from Latin dē- →Every word from Proto-Indo-European pósti →